TY  - BOOK
AU  - Schmalensee, Richard and Willig, Robert D.
AU  - Willig, Robert D.
TI  - Handbook of industrial organization
T2  - Handbooks in Economics 
SN  - 0444704341
U1  - 338.6025 
PY  - 1989///
CY  - Amsterdam
PB  - North-Holland
ER  -